apidays LIVE Helsinki & North - Providing API a childcare service by Nicola Pietroluongo, AWS

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apidays LIVE Helsinki & North 2021 - APIs, Platforms, And Ecosystems - Transforming Industries And Experiences March 15 & 16, 2021 Providing API a childcare service Nicola Pietroluongo, Senior Solutions Architect at AWS

Technology

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© 2021, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Nicola Pietroluongo - AWS Senior Solutions Architect
Providing a childcare service for your API
Best practice for API design that scale

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The brain

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The brain

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The brain

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5
The growth

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6
What are you talking about?

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Evolution
The initial design process is critical.
API must continue to provide
strategic value in the future.

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8
Evolution
It’s your mindset that needs to change

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9
Evolution
Versatile
Optimised
Long-living
Verbose
Easy to consume
Not affected by new functionalities
Capable to adapt
Operate at or above user expectations
Deliver Long-term value
Enhanced visibility (logging, monitoring, errors, …)
Standards, documented, easy integration
Extensible

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Where to start?

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Customer Obsession
Customer requirement
Project requirement
Project requirement

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Example
{
“name”: “MasterToaster 3000”,
”totalPrice“: “€ 24”,
}
{
“itemName”: “MasterToaster 3000”,
”itemPrice“:{
“currencyCode”: ”EUR”,
“amount”: 20.00,
},
”itemTax“:{
“currencyCode”: ”EUR”,
“amount”: 2.00,
}
}
A Product API for your e-commerce in Helsinki

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Define a strategy
Market
D
Market
A
Market
B
Market
C
basic value proposition
Evo 2
Evo X
Horizontal strategy
Evo DX
Evo D2
Vertical strategy

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Example
MasterToaster 3000
Price: 25 €
Colours:
The perfect Xmas gift
MasterToaster 3000
Price: 40 €
Colours:
The perfect Xmas gift

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Example
Product Product
Variant
Stage 1
MasterToaster 3000
Price: 25 €
Colours:
The perfect Xmas gift
Price: 40 €
Price: 40 €
MasterToaster 3000
Price: 25 €
Colours:
The perfect Xmas gift
Product Product
Variant
Stage AX
Stage A1 Stage B1
Stage X

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16
How to choose what’s right?

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17
Listen, Learn, Build, Measure

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Listen

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Learn

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Build

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21
© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Measure

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark
Specific Measurable Achievable Relevant Time bound KPI

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The basics measures
API Application Metrics
• RPM (Requests per Minute)
• Average and Max Latency
• Errors Per Minute
API Product Metrics
• Usage Growth
• Unique Consumers
• Top Consumers by Usage or Revenue
• Retention Rate
• Time to First Hello World (TTFHW)
• API Calls per Business Transaction
• Version adoption

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24
Setup a framework
New
opportunities
Customers
Experience
Listen Learn
Build
Measure
Adoptions

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25
Fail Fast
Fail Fast
Time
Cost per failure
Cost
of
errors
Number of errors

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Succeed early!
Thank you!
@niklongstone

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